Town’s caretaker manager Mark Lillis said he was delighted with the defensive strength that Robinson, who will wear the 17 shirt and is available for Watford this weekend, would add.

He said: "Jack is a player that the club has tracked for some time, but we have needed to be patient to wait for the deal to complete.

“We have been able to move quickly in the last few days to bring Jack to the club thanks to the great work that goes on behind the scenes; that makes it possible for the manager to determine the targets but not have to deal with the detail of doing the transfers.

"We learned early that Jack would become available once his permanent move across the Premier League to QPR was completed and acted upon it.

The youngster can boast 11 Liverpool appearances (nine starts) and loan spells with Wolves in 2012-13 and Blackpool last season, when he twice faced Town.

Those stints at Molineux and Bloomfield Road mean he has 45 Championship appearances.

Robinson played for England at Under 16, 17 and 18 level and featured in the European Under 19 Championships in Estonia in 2012.

He has nine Under 21 caps and is in the squad for the forthcoming European Championships qualifiers in Lithuania and Moldova.

Lillis added: "Everything we’ve learned and heard about Jack has been positive.

Liverpool's Jack Robinson holds off an AS Roma player during the Reds' pre-season in the USA (Image: Jason Pearce)

“We have a good relationship with Liverpool and they have spoken in glowing terms about Jack, whilst Harry Redknapp clearly sees him as someone who can go on to do well for QPR in the Premier League in the future.

On further business before it closes on Monday, Lillis added: “We will continue to look at opportunities in the transfer market, irrespective of whether it’s before Monday’s permanent transfer deadline or - just as importantly – when the loan window opens seven days later.”